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经营范围
发明名称
Hydrogenating apparatus
摘要
申请公布号
US1911909(A)
申请公布日期
1933.05.30
申请号
US19310564408
申请日期
1931.09.22
申请人
JOHANNES MARUHN;LUDWIG TUBBEN
发明人
MARUHN JOHANNES;TUBBEN LUDWIG
分类号
C10G1/06
主分类号
C10G1/06
代理机构
代理人
主权项
地址
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