DIVING CYLINDER IMPROVEMENT
    2.
    发明专利

    公开(公告)号:CA1001970A

    公开(公告)日:1976-12-21

    申请号:CA213620

    申请日:1974-11-13

    Applicant: AMF INC

    Abstract: A diving cylinder is lined with a plastic bag, and bag and cylinder are sealed to each other by annular members positioned in the neck portions of each with the bag annular member being seated inside the cylinder annular member so as to nest the bag neck therebetween.

Patent Agency Ranking