COLLINSON, MICHAEL HOWARD D. HEARN,MASON, TODD GORDON,SUTTON, JOHN CLIFFORD,KEVAN, PETER G.
申请号：
CA3047565
公开号：
CA3047565A1
申请日:
2012.04.03
申请国别(地区):
CA
年份:
2012
代理人:
摘要：
A replaceable tray for positioning in an exit path of a bee hive includes abasewith at least one sidewall extending upwardly from the base and surroundinga periphery of the base. The at least one sidewall defines an upper rim. Apowdered treatment agent is provided in the tray, on the base. The trayincludes a removable top sealed to the upper rim.
