摘要 |
<p>1451456 Acetylene mixtures AGA AB 19 Sept 1973 [19 Sept 1972] 42440/73 Heading C5E [Also in Division F4] An acetylene mixture which allows the quantity of acetylene storable in a container to be increased without increasing the tendency of the acetylene to decompose, contains acetylene and up to 10% by volume of ethylene, propane, propylene and/or butadiene.</p> |