| 专利名称 | DIAPHRAGM VALVE SUPPLY HALVES OF DELL SIGNALLING USURY OF AN ESTATE PACKING | ||
| 申请号 | IT6733784 | 申请日 | |
| 公开（公告）号 | IT8467337D0 | 公开（公告）日 | |
| 申请（专利权）人 | NUPRO CO | 发明人 | KOLENC TERRENCE JAMES; BORK CARL RICHARD JR; STEISS WILLIAM CARL; SHUFFLEBARGER EARL DAVID; TOBBE WILLIAM PATRICK |
| 专利来源 | 国家知识产权局 | 转化方式 | |
| 摘要 |
A valve including indicating means for indicating overtravel of an operating member beyond its normally closed position for warning that replacement of a seal is necessary. A diaphragm valve has a diaphragm of a material which withstands repeated flexing and is clamped in a unique manner. |
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