This annex specifies a variant for the application of the preservative to the test pieces for the determination of the preventive effectiveness against recently hatched larvae of Hylotrupes bajulus (Linnaeus).
NBN B 16-504 ADD 1-1986 history
1986NBN B 16-504 ADD 1-1986 Wood protection products. Determination of prophylactic efficacy against long-lived beetle larvae (laboratory method)