| http://www.w3.org/ns/prov#value | - t across the wall against the external fluid to internally pressurize the compartment in the environment of use; c. an osmotic passageway positioned in the wall and extending therethrough with the passageway communicating with the compartment and the exterior of the device. said passageway including means for maintaining said pressure in the compartment during the dispensing period; and d. wherein
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