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经营范围
发明名称
Telescopic vertical level
摘要
申请公布号
US3277579(A)
申请公布日期
1966.10.11
申请号
US19640337418
申请日期
1964.01.13
申请人
MURPHY GERALD E
发明人
MURPHY GERALD E.
分类号
E04G21/16
主分类号
E04G21/16
代理机构
代理人
主权项
地址
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