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发明名称
Detachable grill assembly for window sash
摘要
申请公布号
US3372522(A)
申请公布日期
1968.03.12
申请号
US19660571875
申请日期
1966.08.11
申请人
J.J.J. SPECIALTY CO.
发明人
ENGSTROM JOHN P.
分类号
E06B3/68
主分类号
E06B3/68
代理机构
代理人
主权项
地址
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