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发明名称
PROCESS OF MAKING LEATHER
摘要
申请公布号
CA540049(A)
申请公布日期
1957.04.23
申请号
CAD540049
申请日期
申请人
ST. LAWRENCE CORPORATION LIMITED
发明人
HANS EHRENSPERGER
分类号
主分类号
代理机构
代理人
主权项
地址
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