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发明名称
Form holding bracket
摘要
申请公布号
US3202393(A)
申请公布日期
1965.08.24
申请号
US19620220477
申请日期
1962.08.30
申请人
PETTIT CHESTER W
发明人
PETTIT CHESTER W.
分类号
E01C19/50;E01D19/10
主分类号
E01C19/50
代理机构
代理人
主权项
地址
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