a) is a front view showing an embodiment of the packaging bag with pour spout of the present invention, and (b) is a longitudinal cross section view along line A-A in
a) is a partial enlarged perspective view of an example of a condition where staggered tearing has occurred part way through opening of the packaging bag with pour spout shown in
Number | Date | Country | |
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60762758 | Jan 2006 | US |