Fitting device for flexible metal exhaust pipes etc. has length-adjustable inner mandrel with pivoted ratchets to engage into pipe corrugations?keyword=Fitting device for flexible metal exhaust pipes etc. has length-adjustable inner mandrel with pivoted ratchets to engage into pipe corrugations专利查询检索|Fitting device for flexible metal exhaust pipes etc. has length-adjustable inner mandrel with pivoted ratchets to engage into pipe corrugations?keyword=Fitting device for flexible metal exhaust pipes etc. has length-adjustable inner mandrel with pivoted ratchets to engage into pipe corrugations专利申请-路标网

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Fitting device for flexible metal exhaust pipes etc. has length-adjustable inner mandrel with pivoted ratchets to engage into pipe corrugations?keyword=Fitting device for flexible metal exhaust pipes etc. has length-adjustable inner mandrel with pivoted ratchets to engage into pipe corrugations

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