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发明名称
HOPPER DOOR OPERATING MECHANISM
摘要
申请公布号
US3440761(A)
申请公布日期
1969.04.29
申请号
USD3440761
申请日期
1967.11.28
申请人
MIDLAND ROSS CORP.
发明人
WALTER L. FLOEHR
分类号
B61D7/26;(IPC1-7):E05F17/00;E05C7/06;E05F11/28
主分类号
B61D7/26
代理机构
代理人
主权项
地址
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