| 发明名称 |
Method for recovering material from the centers of phonograph records |
| 摘要 |
A method of recovering plastic material from phonograph record center sections and making plastic phonograph records incorporating the recovered material, comprising the steps of:
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| 申请公布号 |
US4034033(A) |
申请公布日期 |
1977.07.05 |
| 申请号 |
US19760670903 |
申请日期 |
1976.03.26 |
| 申请人 |
FREDRICK M. KERR |
发明人 |
CARRERE, RICARDO HARO |
| 分类号 |
B29B17/02;B29C43/02;(IPC1-7):B29D17/00 |
主分类号 |
B29B17/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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