Wilmington, DE, US
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Patent Grant
Integrated Cryoelectronic Inc.
George H Johnson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
U.S. Philips Corporation
Johannes P. J. G. Van Liempd
G11 - INFORMATION STORAGE
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Patent Grant
E. I. Du Pont de Nemours and Company
Martinus J. M. de Graaf
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
U.S. Phillips Corporation
Johannes P. J. G. Van Liempd
G11 - INFORMATION STORAGE
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Patent Grant
U.S. Philips Corporation
Johannes P. J. G. van Liempd
G11 - INFORMATION STORAGE
