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发明名称
FROTH PRODUCTION
摘要
申请公布号
CA336207(A)
申请公布日期
1933.10.10
申请号
CAD336207
申请日期
申请人
JAN ARENT SCHOENHEYDER VAN DEURS;EINAR SCHRODER
发明人
JAN ARENT SCHOENHEYDER VAN DEURS;EINAR SCHRODER
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主分类号
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