-
公开(公告)号:US2701190A
公开(公告)日:1955-02-01
申请号:US18826150
申请日:1950-10-03
Applicant: KNAPSACK AG
Inventor: FRIEDBERT RITTER , FELIX WALTER
IPC: C10H13/00
CPC classification number: C10H13/00
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公开(公告)号:US2701188A
公开(公告)日:1955-02-01
申请号:US18826050
申请日:1950-10-03
Applicant: KNAPSACK AG
Inventor: FRIEDBERT RITTER , FELIX WALTER
IPC: C10H13/00
CPC classification number: C10H13/00
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3.
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