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发明名称
SNOW REMOVAL IMPLEMENT
摘要
申请公布号
US3571838(A)
申请公布日期
1971.03.23
申请号
USD3571838
申请日期
1968.11.19
申请人
MELVIN P. STASCHKE
发明人
MELVIN P. STASCHKE
分类号
A47L13/02;E01H5/02;(IPC1-7):E01H5/02
主分类号
A47L13/02
代理机构
代理人
主权项
地址
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