| 摘要 |
An injection cartridge of the dual-chamber type, which comprises a cylindrical cartridge barrel having a front chamber for a solid product and a rear chamber for a liquid product. The chambers are sealingly separated by a displaceable piston of a resilient material, and have an openable bypass connection for liquid from the rear chamber to the front chamber and a resilient sealing closure of the front end of the front chamber.
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