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发明名称
Tent
摘要
申请公布号
US1786928(A)
申请公布日期
1930.12.30
申请号
US19290405502
申请日期
1929.11.07
申请人
WRIGLEY SYLVANUS E
发明人
WRIGLEY SYLVANUS E.
分类号
E04H15/00
主分类号
E04H15/00
代理机构
代理人
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