Preparation of check valve type both end sewing machine sewing bag having auxiliary adding piece
JPS55142639A
Check valve type both end sewing machine sewing bag and its preparation
JPS5579209A
Method of contraction packing
JPS5485809A
Printing method on surface of bag after filling contents and its device
JPS53111191A
Melt cutting apparatus for cloth
JPS52139552A
Method of supplying bag tacked by sewing machine at both ends with valve to sewing machine
JPS5273569A
Waterproof garbage bag and method of production thereof
JPS51146972A
Noise preventing device of high speed operating machine
JPS51131775A
Producing method of textile bag comprising inner layer of polyolefin series resin film and outer layer of texture woven from stretched tape made of polyolefin series resin
JPS51131787A
Method and carrior for transportation
JPS51127873A
Strength reduction preventing method of multilayer bag comprising innermost layer of synthetic resin film tube and outer layer of the tube reinforced with synthetic resin clot9h
JPS51127894A
Mechod of bonding a string to a open sealing packer
