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Adapting piece of thermoplastic material
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Patent number 4,927,183
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Issue date May 22, 1990
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Georg Fischer Aktiengesellschaft
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Hans-Werner Steinmetz
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Molded connection piece
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Patent number 4,515,177
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Issue date May 7, 1985
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George Fischer Limited
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Alfred Thalmann
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Weld connection for plastic pipe
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Patent number 4,436,987
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Issue date Mar 13, 1984
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Georg Fischer Aktiengesellschaft
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Alfred Thalmann
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Thermoplastics welding method
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Patent number 4,090,899
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Issue date May 23, 1978
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Georg Fischer A.G.
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Fritz Reich
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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