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    China Construction Metal Structure Association Member unit
    Certificate of handle patent for design
    Certificate of latch patent for utility model
    Certificate of latch patent for utility model
    Certificate of one kind of handle for design
    Certificate of wo-way crescent lock patent for utility model
    Certificate of handle(Asian)atent for design
    Certificate of crescent lock patent for design
    Certificate of one kind of handle for design
    Certificate of one kind of handle for design
    Certificate of crescent lock patent for design
    Certificate of handle patent for design
    Certificate of wo-way crescent lock for design
    Certificate of side-hinged door lock handle (015) patent for design
    Certificate of handle patent for design
    Certificate of handle patent for design
    Certificate of transmission handle patent for design
    “China Construction Metal Structure” Periodical Office Director unit
    财富彩票手机版app