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经营范围
发明名称
OPERABLE WALL PANEL
摘要
申请公布号
US3685223(A)
申请公布日期
1972.08.22
申请号
USD3685223
申请日期
1970.09.28
申请人
SHER WALLS INC.
发明人
JOHN C. SHERWOOD
分类号
E04B2/82;E05D15/06;E05D15/58;(IPC1-7):E05D15/26
主分类号
E04B2/82
代理机构
代理人
主权项
地址
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