US PATENT SUBCLASS 86 / 20.13
.~ By vibratory packing

Current as of: June, 1999
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86 /   HD   AMMUNITION AND EXPLOSIVE-CHARGE MAKING

20.1  DF  LOADING FIREWORKS AND BURSTING CHARGES {6}
20.13.~ By vibratory packing

DEFINITION

Classification: 86/20.13

By vibratory packing:

(under subclass 20.1) Subject matter in which the operation performed involves vibration or a confining enclosure containing the explosive or combustible material in granular form for the purpose of compacting that material.