1. Liquid NITROGENIUM in liquore qualificato receptaculo nitrogenio (nitrogenis liquidi) ab officiali nationali opifice condito, in camera bene ventilata, obscura et frigido posita, collocari debet.2. Liquor continens nitrogenium solum obturaculum cum originali cisternina obsignari potest, et mo piscinam.
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