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公开(公告)号:US2596972A
公开(公告)日:1952-05-20
申请号:US79480247
申请日:1947-12-30
Applicant: STALEY MFG CO A E
Inventor: ALLEN WILLIAM F
CPC classification number: C12P19/54 , Y10S435/897
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公开(公告)号:US2597019A
公开(公告)日:1952-05-20
申请号:US75848047
申请日:1947-07-01
Applicant: STALEY MFG CO A E
Inventor: MOYER WENDELL W , ALLEN WILLIAM F
CPC classification number: C12P19/54 , Y10S435/897
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3.
公开(公告)号:US2596971A
公开(公告)日:1952-05-20
申请号:US79480147
申请日:1947-12-30
Applicant: STALEY MFG CO A E
Inventor: ALLEN WILLIAM F
CPC classification number: C12P19/54 , Y10S435/897
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