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经营范围
发明名称
Door operating mechanism
摘要
申请公布号
US2850115(A)
申请公布日期
1958.09.02
申请号
US19530333092
申请日期
1953.01.26
申请人
OTIS ELEVATOR COMPANY
发明人
BRUNS WILLIAM HENRY;KARMEL PHILIP;JR. BENJAMIN WHITEHEAD TUCKER,
分类号
B66B13/26
主分类号
B66B13/26
代理机构
代理人
主权项
地址
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