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发明名称
Knock-down structural member with collapsible members
摘要
申请公布号
US2874812(A)
申请公布日期
1959.02.24
申请号
US19550518701
申请日期
1955.06.28
申请人
CLEVETT JR MERTON L
发明人
JR. MERTON L. CLEVETT,
分类号
E04C3/00;E04C3/04;E04C3/10;E04C3/38
主分类号
E04C3/00
代理机构
代理人
主权项
地址
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