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公开(公告)号:US2149307A
公开(公告)日:1939-03-07
申请号:US11889237
申请日:1937-01-02
Applicant: B B CHEM CO
Inventor: NASH RUSSELL K
IPC: B29C70/68
CPC classification number: B05C1/16
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公开(公告)号:US2270463A
公开(公告)日:1942-01-20
申请号:US31253940
申请日:1940-01-05
Applicant: B B CHEM CO
Inventor: NASH RUSSELL K
IPC: A43D25/18
CPC classification number: A43D25/18
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公开(公告)号:US2288730A
公开(公告)日:1942-07-07
申请号:US31557040
申请日:1940-01-25
Applicant: B B CHEM CO
Inventor: NASH RUSSELL K
IPC: A43D25/18
CPC classification number: A43D25/183
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