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经营范围
发明名称
Safety appliance for elevators
摘要
申请公布号
US2075292(A)
申请公布日期
1937.03.30
申请号
US19350012128
申请日期
1935.03.21
申请人
KAYLOR ERNEST S
发明人
KAYLOR ERNEST S.
分类号
B66B13/20
主分类号
B66B13/20
代理机构
代理人
主权项
地址
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