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发明名称
Apparatus and methods for erecting suspension roofs
摘要
申请公布号
US3001273(A)
申请公布日期
1961.09.26
申请号
US19580741946
申请日期
1958.06.13
申请人
WIGGINS JOHN H
发明人
WIGGINS JOHN H.
分类号
E04H7/06
主分类号
E04H7/06
代理机构
代理人
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