Concordance : United States patent classification to International patent classification

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Bibliographic Details
Corporate Author: United States. Patent and Trademark Office. Office of Patent Classification
Format: Book
Language:English
Published: Washington : Patent and Trademark Office : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1980
Edition:4th ed
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110 1 |a United States.  |b Patent and Trademark Office.  |b Office of Patent Classification 
245 1 0 |a Concordance :  |b United States patent classification to International patent classification 
250 |a 4th ed 
260 |a Washington :  |b Patent and Trademark Office : for sale by the Supt. of Docs., U.S. Govt. Print. Off.,  |c 1980 
300 |a 148 p. ;  |c 28 cm 
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740 0 1 |a United States patent classification to international patent classification 
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