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发明名称
Colored plastic material and method of producing the same
摘要
申请公布号
US1898515(A)
申请公布日期
1933.02.21
申请号
US19310518892
申请日期
1931.02.27
申请人
RUBBER & CELLULOID PRODUCTS CO.
发明人
ALBRIGHT ANDREW
分类号
B44C3/04
主分类号
B44C3/04
代理机构
代理人
主权项
地址
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