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Priority to JP2022014159FpriorityCriticalpatent/JP1736198S/en
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本意匠は、接続部付近の樹脂管による応力を軽減させる金属製管継ぎ手である。 ユニオン部Ａ側と雌ネジ部Ａ’の接続部Ｂ部は、自在継手となっている。This design is a metal pipe joint that reduces the stress caused by the resin pipe near the joint. A connection portion B between the union portion A side and the female screw portion A' is a universal joint.