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Sodium Azide
First,I want to say ,although we are from PRC ,but we are not commie .

Then, Hua Xue DIY and zha ...
4-12-2009 at 06:25
by: zha ke xue
Sodium Azide
In china ,NaN3 is about 7 dollar
3-12-2009 at 21:26
by: zha ke xue
Smokeless powder manufacture
呵呵,原来是胶质& ...
2-12-2009 at 08:25
by: zha ke xue

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