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发明名称
Elevator guide rail lubricating mechanism
摘要
申请公布号
US1810695(A)
申请公布日期
1931.06.16
申请号
US19290364978
申请日期
1929.05.22
申请人
GURNEY ELEVATOR COMPANY, INC.
发明人
CALLAWAY CLARENCE R.
分类号
B66B7/12
主分类号
B66B7/12
代理机构
代理人
主权项
地址
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