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发明名称
Intermediate connection for haulage cages
摘要
申请公布号
US1957724(A)
申请公布日期
1934.05.08
申请号
US19320586243
申请日期
1932.01.15
申请人
FRITZ OTTO
发明人
OTTO FRITZ
分类号
B66B7/08;E04B1/32
主分类号
B66B7/08
代理机构
代理人
主权项
地址
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