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经营范围
发明名称
Lowering apparatus
摘要
申请公布号
US1888912(A)
申请公布日期
1932.11.22
申请号
US19310537124
申请日期
1931.05.13
申请人
DOOSE GABRIEL H W
发明人
DOOSE GABRIEL H. W.
分类号
B63B23/18;B65H75/44
主分类号
B63B23/18
代理机构
代理人
主权项
地址
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