| 摘要 |
A blank or propellant gas cartridge having a casing of generally tubular form with a telescopically reverse in-folded star-crimp closed integral tubular end section, and within which is contained a blank propellent powder charge, with a readily rupturable low tensile strength discrete particulate mass adhesively self-bonded in a total initial restraining mass form between the propellent powder charge and the in-folded telescoping star-crimp closed end of the casing.
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