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发明名称
摘要
申请公布号
NO743156(A)
申请公布日期
1975.04.01
申请号
NO19740003156
申请日期
1974.09.03
申请人
OVERHEAD DOOR CORPORATION
发明人
SMITH V O;MOSBARGER G E
分类号
B65G69/28;(IPC1-7):E01D/
主分类号
B65G69/28
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