Paper distributing an active compound on burning, and a pyrotech
Paper distributing an active compound on burning, and a pyrotech
Perfluoroalkanes and perfluoroalkane and sulphur hexafluoride co
Pesticide fogging compositions and solvent therefor
Preparation of hard cheese from concentrated milk
Process for forming insecticide and/or fungicide clouds
Process for producing moxas
Process for the elaboration of an insecticide