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Priority to JP19060585UpriorityCriticalpatent/JPS6298564U/ja
Publication of JPS6298564UpublicationCriticalpatent/JPS6298564U/ja
【実用新案登録請求の範囲】[Scope of utility model registration request] ランチジヤーに 頭を安定させる 凹部を持つ た 本案の形状。 The original shape of the launch gear has a concave part that stabilizes the head.