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经营范围
发明名称
Leer loader
摘要
申请公布号
US2018057(A)
申请公布日期
1935.10.22
申请号
US19330695440
申请日期
1933.10.27
申请人
DONNER JOHN V
发明人
DONNER JOHN V.
分类号
C03B35/10
主分类号
C03B35/10
代理机构
代理人
主权项
地址
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