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发明名称
Leather composition
摘要
申请公布号
US1750231(A)
申请公布日期
1930.03.11
申请号
US19270241424
申请日期
1927.12.20
申请人
LIFTON SAMUEL H
发明人
LIFTON SAMUEL H.
分类号
B32B27/00
主分类号
B32B27/00
代理机构
代理人
主权项
地址
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