发明名称 |
Means for working rubber |
摘要 |
|
申请公布号 |
US2450575(A) |
申请公布日期 |
1948.10.05 |
申请号 |
US19450604746 |
申请日期 |
1945.07.13 |
申请人 |
STEWART BOLLING |
发明人 |
BOLLING STEWART |
分类号 |
B29B7/18;B29B7/82 |
主分类号 |
B29B7/18 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
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