Safety valves for flow shutoff in well construction
- 条目编号
- 009-785
- 所属类别
- 第9类 科学仪器软件
- 状态
- 有效（A）
- 类型
- 商品
- 生效日期
- 06/01/2001
- 尼斯版本
- 08-2002
- TM5 通用条目
- 否
官方备注
Note that manually operated metal valves are in Class 6; valves being machine parts and engine valves for vehicles and machinery are in Class 7; valves for plumbing and heating and cooling installations are in Class 11; rubber, manually operated valves are in Class 17 and plastic, manually operated valves are in Class 20.
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