发明名称 BAG WITH COMPLEMENTARY FORMED CLOSING SECTIONS ACTUATED BY A SLIDE AND METHOD, APPARATUS AND FILM FOR PRODUCING SAME
摘要 <p>The invention relates to a bag having complementary formed closing sections (20, 22) and a slide (50) for moving the formed sections (20, 22) into closed and open positions, characterized in that it also comprises areas of increased thickness (30, 32) made by extrusion of the bag film facing the formed closing sections (30, 32).</p>
申请公布号 WO1999036325(A1) 申请公布日期 1999.07.22
申请号 FR1999000070 申请日期 1999.01.15
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