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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for the production of plastic pipes
Patent number
5,511,964
Issue date
Apr 30, 1996
Wilhelm Hegler
Ralph-Peter Hegler
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for welding pipe pieces made of thermoplastics
Patent number
5,489,403
Issue date
Feb 6, 1996
Wilhelm Hegler
Ralph-Peter Hegler
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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