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发明名称
Elevator doorlatch
摘要
申请公布号
US1898450(A)
申请公布日期
1933.02.21
申请号
US19290397043
申请日期
1929.10.03
申请人
HUTTON WILLIAM A
发明人
HUTTON WILLIAM A.
分类号
E05B65/00
主分类号
E05B65/00
代理机构
代理人
主权项
地址
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