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发明名称
DUST GUARD AND SEAL FOR INNER END OF JOURNAL BOX
摘要
申请公布号
CA530099(A)
申请公布日期
1956.09.11
申请号
CAD530099
申请日期
申请人
CURTIS D. FOSS
发明人
CURTIS D. FOSS
分类号
主分类号
代理机构
代理人
主权项
地址
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