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经营范围
发明名称
Manufacture of leather
摘要
申请公布号
US1988905(A)
申请公布日期
1935.01.22
申请号
US19320606518
申请日期
1932.04.20
申请人
HEINZ KROCH;ENGLISH FRANK A
发明人
KROCH HEINZ;ENGLISH FRANK A.
分类号
C14C9/02
主分类号
C14C9/02
代理机构
代理人
主权项
地址
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