| http://www.w3.org/ns/prov#value | - I However, owing to the nature or amount of the residue the hypophosphites leave behind or other disadvantages attendant on their employment these charges have only a limited applicability and it would be desirable to provide improved gas generating charges based on guanidine nitrate and/or nitroguanidine, and capable of self-sustained decomposition under conditions of much lower gas pressure than
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