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Electronically discharged and gas operated firearm?keyword=Electronically discharged and gas operated firearm?keyword=Electronically discharged and gas operated firearm?keyword=Electronically discharged and gas operated firearm?keyword=Electronically discharged and gas operated firearm?keyword=Electronically discharged and gas operated firearm?keyword=Electronically discharged and gas operated firearm?keyword=Electronically discharged and gas operated firearm?keyword=Electronically discharged and gas operated firearm?keyword=Electronically discharged and gas operated firearm?keyword=Electronically discharged and gas operated firearm?keyword=Electronically discharged and gas operated firearm?keyword=Electronically discharged and gas operated firearm?keyword=Electronically discharged and gas operated firearm?keyword=Electronically discharged and gas operated firearm?keyword=Electronically discharged and gas operated firearm 专利,更快更准确